CARBON
MONOXIDE
ALARM
CAT.CO400B/CO410B
CO
ELECTROCHEMICAL CO SENSORMost accurate technology available for detecting carbon monoxide as compared to other sensing technologies.
BACKLIT DIGITAL DISPLAY (CO410B)
Easily view CO hazard in PPM , peak CO level and other alarm functions.
TWO SILENCE
FEATURES
Silences low battery chirp for up to eight hours or silence nuisance alarm for several minutes.
The First Alert Cat. Nos. CO400B and CO410B are battery operated, 3V (two 1.5V
AAbatteries) single station carbon monoxide alarms specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other
First Alert CO400B and CO410B feature an electrochemical CO sensor, an 85dB horn a silence feature and a red LED that blinks to indicate unit is receiving power. The front access battery door allows battery access without removing the unit from the wall. The low power warning indicator will cause the alarm to “chirp” when the batteries need replacing. The low power warning indicator can be silenced for up to 8 hours. An Alarm Action Chart identifies action steps to take if unit is in alarm. First Alert CO410B also features a backlit digital display that shows visual confirmation of CO levels and has Peak Level Memory, remembers and displays the highest levels detected when the Peak Level button is pressed. Backlight illuminates only when any button is pressed or unit is in alarm. Includes mounting anchors and screws.
CO400B